Sidewalk tile



FIG. 1 is a front view showing of my new design for a sidewalk tile, wherein elements on a top surface of each truncated dome of the sidewalk tile are illustrated in broken lines;

FIG. 2 is a bottom view of the sidewalk tile of FIG. 1;

FIG. 3 is a front perspective view of the sidewalk tile of FIG. 1; and,

FIG. 4 is a rear view of the sidewalk tile of FIG. 1.

The broken lines in the FIGURES form no part of the claimed design. 

CLAIM The ornamental design for a sidewalk tile, as shown and described. 